servlet: updates vlkb-volib (has error handling funcs)

data-access/servlet/src/main/java/ops/VlkbCli.java

@@ -36,6 +36,7 @@ import java.text.SimpleDateFormat;
 import org.json.simple.JSONArray;
 
 import vo.parameter.*;
+import vo.error.*;
 
 class VlkbCli implements Vlkb
 {

data-access/servlet/src/main/java/webapi/ServletCutout.java

@@ -44,6 +44,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 
 import vo.parameter.*;
+import vo.error.*;
 
 public class ServletCutout extends HttpServlet
 {
@@ -167,22 +168,6 @@ public class ServletCutout extends HttpServlet
       }
 
 
-   protected void doMultiValuedParamNotSupported(String message, PrintWriter printWriter)
-   {
-      printWriter.println("MultiValuedParamNotSupported : " + message);
-   }
-
-   protected void doUsageError(String message, PrintWriter printWriter)
-   {
-      printWriter.println("UsageError : " + message);
-   }
-
-   protected void doError(String message, PrintWriter printWriter)
-   {
-      printWriter.println("Error : " + message);
-   }
-
-
 
    /* HTTP/J2EE -> SODA */
 
@@ -307,7 +292,7 @@ public class ServletCutout extends HttpServlet
             response.setContentType("text/plain");
             PrintWriter writer = new PrintWriter(new OutputStreamWriter(respOutputStream, RESPONSE_ENCODING));
 
-            doMultiValuedParamNotSupported(ex.getMessage(), writer);
+            Lib.doMultiValuedParamNotSupported(ex.getMessage(), writer);
 
             writer.close();
          }
@@ -319,7 +304,7 @@ public class ServletCutout extends HttpServlet
             response.setContentType("text/plain");
             PrintWriter writer = new PrintWriter(new OutputStreamWriter(respOutputStream, RESPONSE_ENCODING));
 
-            doUsageError(ex.getMessage(), writer);
+            Lib.doUsageError(ex.getMessage(), writer);
 
             writer.close();
          }
@@ -332,7 +317,7 @@ public class ServletCutout extends HttpServlet
             response.setContentType("text/plain");
             PrintWriter writer = new PrintWriter(new OutputStreamWriter(respOutputStream, RESPONSE_ENCODING));
 
-            doError(ex.toString(), writer);
+            Lib.doError(ex.toString(), writer);
 
             writer.close();
          }